<template>
    <el-menu
        default-active="1-4-1"
        class="el-menu-vertical-demo"
        @open="handleOpen"
        @close="handleClose"
        :collapse="isCollapse"
        background-color="#545c64"
        text-color="#fff"
        active-text-color="#ffd04b"
    >
        <h3> {{ isCollapse ? '后台': '通用后台管理系统' }}</h3>
        <el-menu-item
            @click="clickMenu(item)"
            :index="item.name"
            v-for="item in noChildren"
            :key="item.name"
        >
            <i :class="`el-icon-${item.icon}`"></i>
            <span slot="title">{{ item.label }}</span>
        </el-menu-item>

        <el-submenu
            :index="item.label"
            v-for="item in hasChildren"
            :key="item.label"
        >
            <template slot="title">
                <i :class="`el-icon-${item.icon}`"></i>
                <span slot="title">{{ item.label }}</span>
            </template>
            <el-menu-item-group
                v-for="subItem in item.children"
                :key="subItem.path"
            >
                <el-menu-item
                    @click="clickMenu(subItem)"
                    :index="subItem.path"
                    >{{ subItem.label }}</el-menu-item
                >
            </el-menu-item-group>
        </el-submenu>
    </el-menu>
</template>

<script>
export default {
    data() {
        return {          
            menuData: [
                {
                    path: "/",
                    name: "home",
                    label: "首页",
                    icon: "s-home",
                    url: "Home/Home",
                },
                {
                    path: "/mall",
                    name: "mall",
                    label: "商品管理",
                    icon: "video-play",
                    url: "MallManage/MallManage",
                },
                {
                    path: "/user",
                    name: "user",
                    label: "用户管理",
                    icon: "user",
                    url: "UserManage/UserManage",
                },
                {
                    label: "其他",
                    icon: "location",
                    children: [
                        {
                            path: "/page1",
                            name: "page1",
                            label: "页面1",
                            icon: "setting",
                            url: "Other/PageOne",
                        },
                        {
                            path: "/page2",
                            name: "page2",
                            label: "页面2",
                            icon: "setting",
                            url: "Other/PageTwo",
                        },
                    ],
                },
            ],
        };
    },
    methods: {
        handleOpen(key, keyPath) {
            console.log(key, keyPath);
        },
        handleClose(key, keyPath) {
            console.log(key, keyPath);
        },
        //点击菜单
        clickMenu(item) {
            console.log(item);
            // 当前路径与跳转路径不一致时才运行跳转
            if (this.$route.path !== item.path  && !(this.$route.path === '/home' && (item.path === '/') )) {
                this.$router.push(item.path);
            }
            // 设置面包屑数据
            this.$store.commit('selectMenu',item)
                             
        },
    },
    computed: {
        //没有子菜单
        noChildren() {
            return this.menuData.filter((item) => !item.children);
        },
        //有子菜单
        hasChildren() {
            return this.menuData.filter((item) => item.children);
        },
        isCollapse() {
            return this.$store.state.tab.isCollapse
        }
    },
};
</script>

<style lang="less" scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
}
.el-menu {
    height: 100vh;
    h3 {
        color: #fff;
        text-align: center;
        line-height: 48px;
        font-size: 16px;
        font-weight: 400px;
    }
    border-right: none
}
</style>